Orbit Books is introducing the 1$ ebook. Every month another ebook is being offered for only 1$. This month the book is â€œWinterbirthâ€ by Brian Ruckley. Vampire fans will be pleased in May when â€œOnce bitten, twice shyâ€ by Jennifer Rardin will be on offer. The books are available at Books on board, amazon for the kindle and the Sony e-shop.